Home / 338,903,230.70-508,122,769.80-172,584,790.36

Finding the Fourth Proportional to 338,903,230.70, 508,122,769.80 and 172,584,790.36

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Solution

The fourth proportional to 338,903,230.70, 508,122,769.80 and 172,584,790.36 is: 258,759,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,903,230.70 : 508,122,769.80 = 172,584,790.36 : x
  2. Step 2: Convert to fraction form
    338,903,230.70/508,122,769.80 = 172,584,790.36/x
  3. Step 3: Cross multiply
    338,903,230.70x = 508,122,769.80 × 172,584,790.36
  4. Step 4: Simplify right side
    338,903,230.70x = 87,694,261,703,075,552
  5. Step 5: Solve for x
    x = 87,694,261,703,075,552/338,903,230.70
  6. Step 6: Final answer
    x = 258,759,001.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.